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Finding the Fourth Proportional to 467,028, 644,499.36 and 265,824

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Solution

The fourth proportional to 467,028, 644,499.36 and 265,824 is: 366,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,028 : 644,499.36 = 265,824 : x
  2. Step 2: Convert to fraction form
    467,028/644,499.36 = 265,824/x
  3. Step 3: Cross multiply
    467,028x = 644,499.36 × 265,824
  4. Step 4: Simplify right side
    467,028x = 171,323,397,872.64
  5. Step 5: Solve for x
    x = 171,323,397,872.64/467,028
  6. Step 6: Final answer
    x = 366,837.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.